5666888 has 8 divisors (see below), whose sum is σ = 10625430. Its totient is φ = 2833440.

The previous prime is 5666887. The next prime is 5666911. The reversal of 5666888 is 8886665.

It can be written as a sum of positive squares in only one way, i.e., 5373124 + 293764 = 2318^2 + 542^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×5666888² = 64227239209088, which contains 22 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (5666887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354173 + ... + 354188.

Almost surely, 2^5666888 is an apocalyptic number.

It is an amenable number.

5666888 is a deficient number, since it is larger than the sum of its proper divisors (4958542).

5666888 is a wasteful number, since it uses less digits than its factorization.

5666888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708367 (or 708363 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The square root of 5666888 is about 2380.5226316925. The cubic root of 5666888 is about 178.2850291820.

The spelling of 5666888 in words is "five million, six hundred sixty-six thousand, eight hundred eighty-eight".